The invention relates to a braking device (10) for a vehicle having a handlebar and a brake cable (C), said device comprising a support (18) provided with a fastener sleeve (20) and including a receiving cavity (19) for receiving the nipple (Ca) of the brake cable, said device further comprising a pivot body (24) mounted to pivot about a pivot axis (Y), the pivot body comprising both a brake handle (26) and also a guide member (34) for guiding the brake cable into the pivot body and extending along an axis (Z), the axis of the guide member extending transversely relative to a plane (P) that is perpendicular to the pivot axis, and the guide member and the brake handle extending on opposite sides of the support.